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Use string contains function in oracle SQL query CONTAINS lets you search against columns that have been indexed with an Oracle*Text full-text index Because these columns are full-text indexed, you can efficiently query them to search for words and phrases anywhere with the text columns without triggering a full table scan
Oracle Text CONTAINS Query Operators You can use the ABOUT operator with the CONTAINS and CATSEARCH SQL operators In the case of CATSEARCH, you must use query templating with the CONTEXT grammar to query on the indexed themes
Oracle Mechanics Of Pl Sqls Contains Function Explained The PL-SQL contains () method is used on text fields that have a ‘CONTEXT Index’ to search for specific strings It counts how many times a string occurs in a text field and returns the rows where the string exists
How does contains() in PL-SQL work? - Stack Overflow Contains() counts how many times a string occurs in a text field and would return that number instr() searches for a string in a field (or other string) and returns the index of the first search string found (or 0 if it's not found)